4478478 has 8 divisors (see below), whose sum is σ = 8956968. Its totient is φ = 1492824.

The previous prime is 4478423. The next prime is 4478527. The reversal of 4478478 is 8748744.

It is a sphenic number, since it is the product of 3 distinct primes.

4478478 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373201 + ... + 373212.

It is an arithmetic number, because the mean of its divisors is an integer number (1119621).

Almost surely, 2^4478478 is an apocalyptic number.

4478478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4478478 is a wasteful number, since it uses less digits than its factorization.

4478478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746418.

The product of its digits is 200704, while the sum is 42.

The square root of 4478478 is about 2116.2414796048. The cubic root of 4478478 is about 164.8327414367.

The spelling of 4478478 in words is "four million, four hundred seventy-eight thousand, four hundred seventy-eight".